Winter pruning is one of the most important seasonal maintenance tasks for keeping a garden healthy, attractive, and thriving. Proper pruning improves plant structure, encourages healthy growth, increases airflow, and helps maintain the artistic design of the landscape.                            Winter pruning shows branching structure of Japanese maples

At Details Landscape Art, we offer a seasonal winter pruning service for many of the gardens we have designed and installed throughout Sonoma County. While our focus is landscape design and construction rather than routine maintenance, winter trimming allows us to help clients keep their gardens looking their best year after year.

Why Winter Pruning Matters

Most trees and shrubs benefit from pruning during the dormant season.

As deciduous plants lose their leaves, their branching structure becomes visible, making it easier to identify:

  • Dead branches
  • Crossing branches
  • Poor structure
  • Congested growth
  • Opportunities to improve shape

Pruning also helps direct the plant’s energy toward healthy new growth in spring.

Winter Pruning of Ornamental Grasses

Ornamental grasses are often the first plants we address during winter.

Most ornamental grasses benefit from being cut back close to the ground before new spring growth begins.

This process:

  • Removes old foliage
  • Refreshes the plant’s appearance
  • Encourages vigorous new growth
  • Allows oversized clumps to be divided

Dividing grasses can help maintain the proper scale of the landscape while creating additional plants for other areas of the garden.

Pruning Evergreen Shrubs

Many evergreen shrubs require only minimal pruning.                                        Winter pruning of pittosporum keeps it neat

Our design philosophy has always been to install plants that naturally fit the available space whenever possible. When the right plant is in the right location, excessive pruning is rarely necessary.

However, winter pruning can be useful for:

  • Removing dead branches
  • Correcting uneven growth
  • Improving shape
  • Encouraging denser foliage

We prefer maintaining the natural character of a plant rather than shearing everything into formal shapes.

Winter Pruning of Perennials

Many perennials benefit from annual winter cleanup.

Plants such as:

  • Lavender
  • Penstemon
  • Erigeron
  • Abutilon
  • Salvia

often require pruning to remove old growth and encourage fresh spring development.

Certain frost-sensitive perennials should be left alone until the danger of frost has passed. The old growth can help protect tender new shoots during the coldest months.

Pruning Japanese Maples and Deciduous Trees

Deciduous trees often require the most careful winter pruning.                          Deciduous tree shows open branching after winter pruning

Japanese maples, one of our favorite specimen trees, are pruned primarily through selective thinning.

We remove:

  • Dead branches
  • Crossing branches
  • Weak growth
  • Congested interior branching

The goal is to improve airflow while enhancing the natural beauty and structure of the tree.

We never top trees. Instead, pruning cuts are made selectively to preserve the tree’s natural form.

Winter Pruning of Hydrangeas and Roses

Hydrangeas and roses each have unique pruning requirements.

Hydrangeas are typically cut back to healthy buds, allowing the homeowner to control the eventual size of the plant.

Roses often benefit from more aggressive pruning, leaving only a few strong canes that will produce vigorous new growth and abundant flowers during the growing season.

Protecting Frost-Sensitive Plants

Winter pruning also provides an opportunity to identify plants that may need protection during periods of freezing weather.

While most plants selected for Sonoma County landscapes tolerate local conditions well, occasional protection may benefit newly installed or marginally frost-tender plants.

Proper timing helps avoid damage to tender new growth during late winter cold snaps.

Winter Pruning Keeps Gardens Looking Their Best

Even low-maintenance landscapes require periodic care. Winter pruning is one of the most valuable services for maintaining plant health, preserving design intent, and ensuring a garden continues to mature beautifully over time.

At Details Landscape Art, we have been designing and building fine gardens throughout Sonoma County since 1991. Our winter pruning service helps protect that investment while keeping landscapes attractive and healthy for years to come.